Search a number
-
+
231126005432 = 23721119560427
BaseRepresentation
bin1101011101000000101…
…1101111011010111000
3211002120120100120221102
43113100023233122320
512241321224133212
6254102224230532
722461342426350
oct3272013573270
9732516316842
10231126005432
118a024671833
123896376b448
1318a44a6b97a
14b287cb7b60
15602ad6e5c2
hex35d02ef6b8

231126005432 has 32 divisors (see below), whose sum is σ = 497617288320. Its totient is φ = 98584547040.

The previous prime is 231126005377. The next prime is 231126005437. The reversal of 231126005432 is 234500621132.

It is a happy number.

231126005432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231126005395 and 231126005404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231126005437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9768398 + ... + 9792029.

It is an arithmetic number, because the mean of its divisors is an integer number (15550540260).

Almost surely, 2231126005432 is an apocalyptic number.

It is an amenable number.

231126005432 is an abundant number, since it is smaller than the sum of its proper divisors (266491282888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231126005432 is a wasteful number, since it uses less digits than its factorization.

231126005432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19560651 (or 19560647 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 231126005432 its reverse (234500621132), we get a palindrome (465626626564).

The spelling of 231126005432 in words is "two hundred thirty-one billion, one hundred twenty-six million, five thousand, four hundred thirty-two".

Divisors: 1 2 4 7 8 14 28 56 211 422 844 1477 1688 2954 5908 11816 19560427 39120854 78241708 136922989 156483416 273845978 547691956 1095383912 4127250097 8254500194 16509000388 28890750679 33018000776 57781501358 115563002716 231126005432